Calhoun



(No Model.)

y D.. 1. CALHOUN.. UAR POR 'HOSTINGAND CONVEYING MACHINES.

Patented Aug. 2 ,518 {3.,-

lHl

WTA/55555 irnn STATES Arnnfr ferien@ D. IRVING CALHOUN, OF VVEEDSIORT, NEW YORK.

CAR FOR HOISTlNG AND CONVEYING MACHINES.

SPECIFICATION forming part of Letters Patent No. 283,964, dated .August 28, 1883.

Application filed May 21, 1883. (No model.)

To all whom it may concern.:

Beit known that I, D. InvrNe CALHOUN, of Veedsport, in the county of Cayuga, in the State of New York, have invented new and useful Improvements in Cars for Hoisting and Conveying Machines, of which the following, taken in connection with the accompanying drawings, is a full, clear, and exact description.

This invention relates to improvements in carriages designed for traveling on'a single elevated track and for carrying loads in a suspended position.

My invention consists in the combination, with said carriages, of certain novel, simple, and effective devices for automaticallyrestraining the carriage from movement on the track while loading the suspended implement or receptacle and raising the load to the carriage, and then automatically releasing the carriage to allow it to travel to the desired destination, said automatic carriage-restraining devices being so constructed and arranged as to adapt the apparatus to operate on a rope or cable track as well as on a rigid track, all as hereinafter more fully described, and specifically set forth in the claims.

In the accompanying drawings, Figure 1 is a side view of my invention, showing the carriage in its approach to the catch which retains it in position. Fig. 2 is a view of the same, with one of the side plates ofthe carriage removed, and showing it in engagement with the aforesaid catch. Fig. 3 is an enlarged isometric detail view of that part of my invention which is arranged stationary on the track.

Similar letters of reference indicate corresponding parts.

A denotes the carriage-frame7 having pivoted therein two carrying-rollers, R It, by

which it travels on the elevated track T, which said rope being extended around the under side of a tackle-block sheave, C, and having its end attached to a tumbler, D, at a point slightly forward of the pivot b', by which said tum.

bler is connected to the carriageframe A. Bctweenthe tumbler D and sheave S the bottom of the carriage-frame is formed with an upward deflection or recess, r, to allow an up- 55 ward extension, s, of the tackle-block case to enter whenV the tackle-block is drawn. up, said extension s having a pin, t, passing transversely through it and projecting at opposite sides thereof. In drawing up the tackle-block the central portion of the pin t becomes interlocked with a notch, a, in the forward end of the tumbler D, and causes the same to turn on its pivot and follow the pin t in its ascent until the projecting portions of the pin encounter the side plates of the carriage at the end of the recess r, which arrests the further ascent of the tackle-block. The tumbler having in the meantime become engaged with a stop-lever, a, hereinafter described, retains the 7o aforesaid parts in their raised position.

b is a latch, in the form of a bar, pivoted to the rear portion of the carriage-frame, and having a hook-shaped end projecting from the rear end of said frame. the latch b has a pin, c, projecting laterally therefrom, and this pin proj eets through a slot, f, in the tumbler D, and which is so arranged in relation to the pivots of the latch Z) and tumbler D that-the oscillation of the latter will impart a vertical oscillation to the latch b. It is obvious that the same effect can be produced by making the slot f in the end of the bar b and attaching the pine to the tumbler; hence I do not limit myself to any specific arrangement in that respect.

a is another bar pivoted to the rear portion of the carriage-frame, and held yieldingly in a rearwardly-inclined position by its gravity,

or by a spring, g. Said bar is so arranged as to engage by its lower end with a shoulder, h,

on the tumbler D, and at the same time project with its upper end from the rear of the carriage-frame A.

c'is a guide-bar Xed to the carriage-frame, and projecting in an inclined position from the rear end thereof, for the purpose of guid ing the combined tripping-lever and catch d, so as to insure its operation on the lever c and latch b, as will be hereinafter described.

The combined catch and tripping-lever d consists of a bar which is sustained yieldingly in a horizontal position below the track T, and in range with the guide e, bythe following in strumentalities: A prolonged sleeve, Z, surrounding the track T, is provided at each The opposite end of 75 end with' a rigid collar, Z, and with set-screws l ilection of the track, produced by the weight m through said collars, by means of which setscrews the sleeve Z is clamped in the desired positionY on the track. On the sleeve Z, be-

tween thetwo collars thereof, is swiveled another sleeve or tubular arm, K5 which is composed of two longitudinal sections, to admit of its application toI the sleeve Z, and are bolted together, as shown. From the end of the sleeve K depend two hanger-arms, Z, and on the end of that arm which is farthest from the carriage A is hinged the combined catch and trippinglever ZZ, the free end of which projects through a vertical slot in the other arm, fZ, and is thus supported yieldingly in a horizontal position, the free'end of the catch d being provided either with a hook or with an aperture, o, as shown, for engaging with-the hook of the pivoted latch b of the carriage.

The operation of my invention is as follows:

To bring the carriage into positionfor loading and elevating the receptacle or implement suspended from the tackle-block E, the carriage is moved on the track T 4to bring the tackleblock over the place of loading. In the approach of the carriage to the aforesaid position, the lever d, which has previously been secured in the required position by the shifting and clamping of the collar e, first encounters the rearward-projecting end of the lever a, and by pressing the same toward the carriage throws the lower end of said lever out of engagement with the shoulder h on the tumbler D. The latter thus being released, allows the weight suspended from the tackle-block to draw the forward end of the tumbler down. In this lmovement of the tumbler the end of the latch b, which is connected with the tumbler by the'pin c, passing through the slot f, is raised, thereby depressing the outer end of saidoatch and causing it to engage with Athe aperture 0 of the lever LZ, which retains the carriage in position while loading and elevating the receptacle or implement hung to the tackleblock E. The aforesaid elevating is effected by the draft on the rope B in the direction indicated by an arrow in the drawings. In elevating the load the upward projection .s of the tackle-block enters the recess r ofthe carriageframe, and interlocks with the forward end of the tumbler D and lifts the same, as shown in Fig. l of the drawings. The resultant depression of the opposite end of the tumbler depresses the end of -the latch connected therewith, and thus raises the hooked end of said latch out of the aperture o of the lever cZ, and

- at the same time allows the lower end of the pivoted bar a to drop into the shoulder h on the tumbler, and thus retain the latter in its suspended from the carriage, said deflection throwing the catches out of line, so as to prevent their engagement. fectually overcome by hinging the lever d on the pendent arm i, which is maintained in its normal position by its support K being swiveled on the collar Z, and allowing both the said collar and therope-track to freelyturn or twist thereon, the lever d being thus always in range with thelatch bon the carriage. The hinged connection of the lever d with the arm Z allows'the forward end of said lever to rise sufficient to compensate forxthe deflection of the track T, and the guide e conducts the forward end of the lever d to the tripping-bar a and latch-bar b.

In order to insure the release of the latch b .from the lever d, I attach to the carriage-frame them, said guardpreventing the lever fromA raising and following thelatch bin the attempt of drawing the hook of the latter out of the aperture of the former.

Having described my invention, what I claim as new, and desire to secure by Letters Patent, isy l. The combination, with the carriage, of the tumbler pivoted thereon, the draft-rope,

Iand a latch connected with the tumbler, re-

spectively, at opposite sides of the'pivot thereof, said latch being pivoted intermediately of its length, and having its free end adapted to engage with a catch on the track, as set forth and shown.

2. In combination with the carriage A and rope B, the tumbler D, provided with the shoulder h, the latch b, connected with the tumbler by a slot, f, and pin c, the lever a, held yieldingly engaged with the shoulder h, and the combined catch and tripping-lever d, attached to the track, substantially as described and shown.

.3. The combination, with the carriage provided withA a latch for retaining it in position, of guide-bars projecting from the end thereof,

Vand a catch iieXibly connected to a vsupport secured to the track, substantially as and for the purpose set forth.

4. In combination with the carriage provided with the latch I, lever cZ,and guide e, the collar Z, swivel K, provided with the pendent arms Z, and the catch d, supported byand adapted to vibrate vertically on said arm, substantially in the manner described and shown.

In testimony whereof I have hereunto signed my nameand affixed my seal, in the presence of two attesting witnesses, at Syracuse, in the county of Onondaga, in the State of New York, this 4th day of May, 1883. l

D. IRVING CALHOUN. [L s] Witnesses:

`FRnnnRIcK H. GIBBs,

W. C. RAYMOND.

ICO

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